86 



MR RUSSELL'S RESEARCHES IN HYDRODYNAMICS. 



Experimental Station. — Union Canal. 



Breadth at top 

 Breadth at bottom 

 Maximiun depth 



= 40 feet, 

 = 30 feet, 

 := 6.5 feet. 

 Clayey bottom. 



Space = 1000 feet. 



Space = 700 feet. 



See Fig. E, PI. II. 



Vel. = 11.730; 7.8473 miles. 



Vel. = 11.362"; 78473 miles. 



Vel. = 11.7713 ; 7.8369 miles. 



Paisley and Ardrossan Canal. — Diimbreck Bridge. 



Breadth at top = 28.27 feet. 



Breadth at bottom ^ irregular. 



Mean depth = 3.3 feet, 



Muddy bottom. 



) 



See Fig. D, PI. II. 



Exper. 

 14. 



16. 

 16. 



> Space := 566 feet. 

 Space = 820 feet. 



Sees. 

 61 



{.} 



90 



Ve = 9.114 ; 6.0972 miles. 

 Vel. =9.111; 6.0962 miles. 



Slateford Aqueduct. — Union Canal. 



Breadth at top = 12.33 feet. 





Breadth at bottom =12.0 ... 



Maximum depth =: 5.6 ... 



Smooth iron bottom 



Exper. 



17.' 



Sees. 



p4 \ 



18. 





34 



19. 





33 



20. ) Space = 486 feet, <! 



33 > 



21. 





35 





22, 





34 





23. y 





I 36 





See Fig.. A, PI. II. 



Vel. = 14.352 ; 7.6944 miles. 



